Getting Things Done

If you’re like me, you have a To Do list — whether the high-tech version on your smart phone or the low-tech kind written on a Post-It, or perhaps just maintained in your head. But do you have a Stop Doing list? Maybe you should. I got this idea from Jim Collin’s illuminating book, Good to Great — Why Some Companies Make the Leap and Others Don’t. Part of what makes good companies great is not being overly diversified. The great companies he studied pursued a single “Hedgehog Concept” (being the best at one thing rather than being an also-ran at a...